West of Denver near Vail, the Big Mamba Trail is a winding flow trail on Vail Mountain ski area. The Mamba Trail starts from the top of the Eagle Bahn Gondola at Eagles Nest. The trail is usually divided into two sections. The upper Mamba Trail runs from Eagles Nest down to the top station of the Born Free Lift. It is signed as the Big Mamba Trail. It is a 2.8 mile long upper section with 1,200 feet of vertical descent.
The lower section runs from the top of the Born Free lift down to the village. It is not signed as the Big Mamba Trail, but most riders call the entire ride down as the Big Mamba. The lower section is 1.9 miles long with 900 feet of vertical.
The Mamba Trail is called a flow downhill trail that is a little wider that most trails in the area.
Tip - The summer lifts start spinning in early June. However, the Eagle Bahn Gondola doesn't start spinning until late June. If you have to take the main gondola up early season, there is a signed service road leading to the start of the Big Mamba Trail.
Overall, Big Mamba Trail is the 125th most popular mountain bike trail of all 176 mountain biking rides in Colorado.